/*
This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.

  Keepass2Android is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.

  Keepass2Android is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with Keepass2Android.  If not, see <http://www.gnu.org/licenses/>.
  */

using Android.App;
using Android.Content;
using KeePassLib;

namespace keepass2android
{

  public class UpdateEntry : OperationWithFinishHandler
  {
    private readonly IKp2aApp _app;

    public UpdateEntry(IKp2aApp app, PwEntry oldE, PwEntry newE, OnOperationFinishedHandler operationFinishedHandler) : base(app, operationFinishedHandler)
    {
      _app = app;

      _operationFinishedHandler = new AfterUpdate(oldE, newE, app, operationFinishedHandler);
    }


    public override void Run()
    {
      // Commit to disk
      SaveDb save = new SaveDb(_app, _app.CurrentDb, operationFinishedHandler);
      save.SetStatusLogger(StatusLogger);
      save.Run();
    }

    private class AfterUpdate : OnOperationFinishedHandler
    {
      private readonly PwEntry _backup;
      private readonly PwEntry _updatedEntry;
      private readonly IKp2aApp _app;

      public AfterUpdate(PwEntry backup, PwEntry updatedEntry, IKp2aApp app, OnOperationFinishedHandler operationFinishedHandler) : base(app, operationFinishedHandler)
      {
        _backup = backup;
        _updatedEntry = updatedEntry;
        _app = app;
      }

      public override void Run()
      {
        if (Success)
        {
          // Mark parent group dirty. Even only the last modification date changed, this might affect sort order
          PwGroup parent = _updatedEntry.ParentGroup;
          if (parent != null)
          {

            // Mark parent group dirty
            _app.DirtyGroups.Add(parent);

          }

        }
        else
        {
          StatusLogger.UpdateMessage(UiStringKey.UndoingChanges);
          // If we fail to save, back out changes to global structure
          //TODO test fail
          _updatedEntry.AssignProperties(_backup, false, true, false);
        }

        base.Run();
      }

    }


  }

}

